Chimney Mount (CM3080)

Antenna Chimney Mount

Is it necessary to use guy wires with the Chimney Mount (CM3080)?
Guy wires should be used on any mast installation over ~10ft above the top chimney mount bracket....
What is the largest diameter mast I can use with the Chimney Mount (CM3080)?
Maximum mast size recommended is 1.5 inch diameter....
How far off the chimney does the Chimney Mount (CM3080) hold the mast?
Approximately 3 3/4 inches...